fix version check

go.mod

@@ -4,6 +4,7 @@ go 1.24.3
 
 require (
 	github.com/BurntSushi/toml v1.5.0
+	github.com/Masterminds/semver/v3 v3.4.0
 	github.com/go-ole/go-ole v1.3.0
 )
 

go.sum

@@ -1,5 +1,7 @@
 github.com/BurntSushi/toml v1.5.0 h1:W5quZX/G/csjUnuI8SUYlsHs9M38FC7znL0lIO+DvMg=
 github.com/BurntSushi/toml v1.5.0/go.mod h1:ukJfTF/6rtPPRCnwkur4qwRxa8vTRFBF0uk2lLoLwho=
+github.com/Masterminds/semver/v3 v3.4.0 h1:Zog+i5UMtVoCU8oKka5P7i9q9HgrJeGzI9SA1Xbatp0=
+github.com/Masterminds/semver/v3 v3.4.0/go.mod h1:4V+yj/TJE1HU9XfppCwVMZq3I84lprf4nC11bSS5beM=
 github.com/go-ole/go-ole v1.3.0 h1:Dt6ye7+vXGIKZ7Xtk4s6/xVdGDQynvom7xCFEdWr6uE=
 github.com/go-ole/go-ole v1.3.0/go.mod h1:5LS6F96DhAwUc7C+1HLexzMXY1xGRSryjyPPKW6zv78=
 golang.org/x/sys v0.1.0 h1:kunALQeHf1/185U1i0GOB/fy1IPRDDpuoOOqRReG57U=

version.go

@@ -5,6 +5,8 @@ import (
 	"io"
 	"net/http"
 	"regexp"
+
+	"github.com/Masterminds/semver/v3"
 )
 
 const (
@@ -28,11 +30,22 @@ func needUpdate() (bool, error) {
 		return false, fmt.Errorf("unable to read response body: %v", err)
 	}
 
-	re := regexp.MustCompile(`const version = "([\d.]+)"`)
+	fmt.Println(string(b))
+	re := regexp.MustCompile(`version\s+=\s+"(\d+.\d+.\d+)"`)
 	ver := re.FindStringSubmatch(string(b))
-	if len(ver) < 2 || ver[1] == "" {
-		return false, fmt.Errorf("unable to find version in response")
+	if ver[1] == "" {
+		return false, fmt.Errorf("unable to parse version number")
 	}
 
-	return ver[1] != version, nil
+	curVer, err := semver.NewVersion(version)
+	if err != nil {
+		return false, fmt.Errorf("unable to parse current version to semver: %v", err)
+	}
+
+	newVer, err := semver.NewVersion(ver[1])
+	if err != nil {
+		return false, fmt.Errorf("unable to parse new version to semver: %v", err)
+	}
+
+	return curVer != newVer, nil
 }